body {
    font-family: verdana;
}

.header {
    margin: auto;
    width: 400px;
    font-size: 50px;
    margin-bottom: 30px;
    text-align: center;
}

.bookList {
    float: left;
}

.shoppingCart {
    float: right;
}

.bookList th {
    text-align: left;
}

.bookList th, .bookList td, .shoppingCart td, .shoppingCart th {
    padding: 5px;
}

.bookList input {
    border: 0px;
    background-color: white;
}

.bookList input[type="submit"] {
    color: blue;
    cursor: pointer;
}

.main {
    width: 50%;
    margin: auto;
}

.addBook {
    text-align: center;
}

.addBook input {
    display: block;
    margin: auto;
    margin-bottom: 10px;
}